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Diffstat (limited to 'rpkid/rpki/gui/app/misc.py')
-rw-r--r-- | rpkid/rpki/gui/app/misc.py | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/rpkid/rpki/gui/app/misc.py b/rpkid/rpki/gui/app/misc.py new file mode 100644 index 00000000..5d3cba93 --- /dev/null +++ b/rpkid/rpki/gui/app/misc.py @@ -0,0 +1,47 @@ +# $Id$ +""" +Copyright (C) 2010 SPARTA, Inc. dba Cobham Analytic Solutions + +Permission to use, copy, modify, and distribute this software for any +purpose with or without fee is hereby granted, provided that the above +copyright notice and this permission notice appear in all copies. + +THE SOFTWARE IS PROVIDED "AS IS" AND SPARTA DISCLAIMS ALL WARRANTIES WITH +REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY +AND FITNESS. IN NO EVENT SHALL SPARTA BE LIABLE FOR ANY SPECIAL, DIRECT, +INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM +LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE +OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR +PERFORMANCE OF THIS SOFTWARE. +""" + +import rpki.resource_set +import rpki.ipaddrs + +def str_to_range(lo, hi): + """Convert IP address strings to resource_range_ip.""" + x = rpki.ipaddrs.parse(lo) + y = rpki.ipaddrs.parse(hi) + assert type(x) == type(y) + if isinstance(x, rpki.ipaddrs.v4addr): + return rpki.resource_set.resource_range_ipv4(x, y) + else: + return rpki.resource_set.resource_range_ipv6(x, y) + +def parse_resource_range(s): + '''Parse an IPv4/6 resource range.''' + # resource_set functions only accept str + if isinstance(s, unicode): + s = s.encode() + try: + return rpki.resource_set.resource_range_ipv4.parse_str(s) + except ValueError: + return rpki.resource_set.resource_range_ipv6.parse_str(s) + +def top_parent(prefix): + '''Returns the topmost resource from which the specified argument derives''' + while prefix.parent: + prefix = prefix.parent + return prefix + +# vim:sw=4 ts=8 expandtab |